Manual/Digital

Manual - Conventional dial or lever style of mechanical thermostat. It doesn’t have many features.
Digital - This has a display screen and is often capable of a variety of useful functions.

Manual/Digital

Manual

Stages of Heat

The number of terminals on the thermostat that can be used to individually control separate heating functions. Many furnaces that are called two stage heaters will require at least a two stage thermostat to operate appropriately. You may also choose a multiple stage thermostat when pairing different heating equipment. Such as a heat pump and a furnace.

Stages of Heat

1

Use with Heat Pump

Indicates that this thermostat is compatible with heat pumps.

Use with Heat Pump

No

Power Method

Indicates if the thermostat operates electrically on batteries or power from the furnace/air handler.

Power Method

120 V

Use with Gas/Oil

Indicates that this thermostat can be used with either a gas furnace or oil furnace.

Use with Gas/Oil

No

Use with Electric Furnace

Indicates that this thermostat is compatible with electric furnaces or air handlers with electric heater coils. The voltage to the thermostat will be the normal 24 VAC. This feature is different from a "Line Voltage Capable" thermostat which operates with 120 to 240 VAC.

Use with Electric Furnace

Yes

Auto Changeover

This feature allows the thermostat to automatically switch from heating to cooling based on the temperature inside. This is useful between seasons when heating may be needed at night, and cooling during the day.

Auto Changeover

No

Line Voltage Capable

Will operate on 120 volts A/C or 240 volts A/C as indicated for that model. Electric baseboard and specialty heaters often require a line voltage capable thermostat.

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